| 1 | /* |
| 2 | GNU Lesser General Public License |
| 3 | |
| 4 | CustomAction |
| 5 | Copyright (C) 2000 Howard Kistler |
| 6 | |
| 7 | This library is free software; you can redistribute it and/or |
| 8 | modify it under the terms of the GNU Lesser General Public |
| 9 | License as published by the Free Software Foundation; either |
| 10 | version 2.1 of the License, or (at your option) any later version. |
| 11 | |
| 12 | This library is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | Lesser General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU Lesser General Public |
| 18 | License along with this library; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | package com.hexidec.ekit.action; |
| 23 | |
| 24 | import java.awt.Color; |
| 25 | import java.awt.event.ActionEvent; |
| 26 | import java.util.Enumeration; |
| 27 | import java.util.Hashtable; |
| 28 | import javax.swing.JColorChooser; |
| 29 | import javax.swing.JTextPane; |
| 30 | import javax.swing.text.SimpleAttributeSet; |
| 31 | import javax.swing.text.StyledEditorKit; |
| 32 | import javax.swing.text.html.HTML; |
| 33 | |
| 34 | import com.hexidec.ekit.EkitCore; |
| 35 | import com.hexidec.ekit.component.FontSelectorDialog; |
| 36 | import com.hexidec.ekit.component.SimpleInfoDialog; |
| 37 | import com.hexidec.ekit.component.UserInputAnchorDialog; |
| 38 | |
| 39 | import com.hexidec.util.Translatrix; |
| 40 | |
| 41 | /** Class for implementing custom HTML insertion actions |
| 42 | */ |
| 43 | public class CustomAction extends StyledEditorKit.StyledTextAction |
| 44 | { |
| 45 | protected EkitCore parentEkit; |
| 46 | private HTML.Tag htmlTag; |
| 47 | private Hashtable htmlAttribs; |
| 48 | |
| 49 | public CustomAction(EkitCore ekit, String actionName, HTML.Tag inTag, Hashtable attribs) |
| 50 | { |
| 51 | super(actionName); |
| 52 | parentEkit = ekit; |
| 53 | htmlTag = inTag; |
| 54 | htmlAttribs = attribs; |
| 55 | } |
| 56 | |
| 57 | public CustomAction(EkitCore ekit, String actionName, HTML.Tag inTag) |
| 58 | { |
| 59 | this(ekit, actionName, inTag, new Hashtable()); |
| 60 | } |
| 61 | |
| 62 | public void actionPerformed(ActionEvent ae) |
| 63 | { |
| 64 | Hashtable htmlAttribs2 = new Hashtable(); |
| 65 | JTextPane parentTextPane = parentEkit.getTextPane(); |
| 66 | String selText = parentTextPane.getSelectedText(); |
| 67 | int textLength = -1; |
| 68 | if(selText != null) |
| 69 | { |
| 70 | textLength = selText.length(); |
| 71 | } |
| 72 | if(selText == null || textLength < 1) |
| 73 | { |
| 74 | SimpleInfoDialog sidWarn = new SimpleInfoDialog(parentEkit.getFrame(), "", true, Translatrix.getTranslationString("ErrorNoTextSelected"), SimpleInfoDialog.ERROR); |
| 75 | } |
| 76 | else |
| 77 | { |
| 78 | int caretOffset = parentTextPane.getSelectionStart(); |
| 79 | int internalTextLength = selText.length(); |
| 80 | String currentAnchor = ""; |
| 81 | // Somewhat ham-fisted code to obtain the first HREF in the selected text, |
| 82 | // which (if found) is passed to the URL HREF request dialog. |
| 83 | if(htmlTag.toString().equals(HTML.Tag.A.toString())) |
| 84 | { |
| 85 | SimpleAttributeSet sasText = null; |
| 86 | for(int i = caretOffset; i < caretOffset + internalTextLength; i++) |
| 87 | { |
| 88 | parentTextPane.select(i, i + 1); |
| 89 | sasText = new SimpleAttributeSet(parentTextPane.getCharacterAttributes()); |
| 90 | Enumeration attribEntries1 = sasText.getAttributeNames(); |
| 91 | while(attribEntries1.hasMoreElements() && currentAnchor.equals("")) |
| 92 | { |
| 93 | Object entryKey = attribEntries1.nextElement(); |
| 94 | Object entryValue = sasText.getAttribute(entryKey); |
| 95 | if(entryKey.toString().equals(HTML.Tag.A.toString())) |
| 96 | { |
| 97 | if(entryValue instanceof SimpleAttributeSet) |
| 98 | { |
| 99 | Enumeration subAttributes = ((SimpleAttributeSet)entryValue).getAttributeNames(); |
| 100 | while(subAttributes.hasMoreElements() && currentAnchor.equals("")) |
| 101 | { |
| 102 | Object subKey = subAttributes.nextElement(); |
| 103 | if(subKey.toString().toLowerCase().equals("href")) |
| 104 | { |
| 105 | currentAnchor = ((SimpleAttributeSet)entryValue).getAttribute(subKey).toString(); |
| 106 | break; |
| 107 | } |
| 108 | } |
| 109 | } |
| 110 | } |
| 111 | } |
| 112 | if(!currentAnchor.equals("")) { break; } |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | parentTextPane.select(caretOffset, caretOffset + internalTextLength); |
| 117 | SimpleAttributeSet sasTag = new SimpleAttributeSet(); |
| 118 | SimpleAttributeSet sasAttr = new SimpleAttributeSet(); |
| 119 | if(htmlTag.toString().equals(HTML.Tag.A.toString())) |
| 120 | { |
| 121 | if(!htmlAttribs.containsKey("href")) |
| 122 | { |
| 123 | UserInputAnchorDialog uidInput = new UserInputAnchorDialog(parentEkit, Translatrix.getTranslationString("AnchorDialogTitle"), true, currentAnchor); |
| 124 | String newAnchor = uidInput.getInputText(); |
| 125 | uidInput.dispose(); |
| 126 | if(newAnchor != null) |
| 127 | { |
| 128 | htmlAttribs2.put("href", newAnchor); |
| 129 | } |
| 130 | else |
| 131 | { |
| 132 | parentEkit.repaint(); |
| 133 | return; |
| 134 | } |
| 135 | } |
| 136 | } |
| 137 | else if(htmlTag.toString().equals(HTML.Tag.FONT.toString())) |
| 138 | { |
| 139 | if(htmlAttribs.containsKey("face")) |
| 140 | { |
| 141 | FontSelectorDialog fsdInput = new FontSelectorDialog(parentEkit.getFrame(), Translatrix.getTranslationString("FontDialogTitle"), true, "face", parentTextPane.getSelectedText()); |
| 142 | String newFace = fsdInput.getFontName(); |
| 143 | if(newFace != null) |
| 144 | { |
| 145 | htmlAttribs2.put("face", newFace); |
| 146 | } |
| 147 | else |
| 148 | { |
| 149 | parentEkit.repaint(); |
| 150 | return; |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | else if(htmlAttribs.containsKey("size")) |
| 155 | { |
| 156 | htmlAttribs2.put("size", new String((String)htmlAttribs.get("size"))); |
| 157 | } |
| 158 | |
| 159 | else if(htmlAttribs.containsKey("color")) |
| 160 | { |
| 161 | Color color = new JColorChooser().showDialog(parentEkit.getFrame(),"Choose Text Color",Color.black); |
| 162 | if(color != null) |
| 163 | { |
| 164 | String redHex = Integer.toHexString(color.getRed()); |
| 165 | if(redHex.length() < 2) |
| 166 | { |
| 167 | redHex = "0" + redHex; |
| 168 | } |
| 169 | String greenHex = Integer.toHexString(color.getGreen()); |
| 170 | if(greenHex.length() < 2) |
| 171 | { |
| 172 | greenHex = "0" + greenHex; |
| 173 | } |
| 174 | String blueHex = Integer.toHexString(color.getBlue()); |
| 175 | if(blueHex.length() < 2) |
| 176 | { |
| 177 | blueHex = "0" + blueHex; |
| 178 | } |
| 179 | htmlAttribs2.put("color", "#" + redHex + greenHex + blueHex); |
| 180 | } |
| 181 | else |
| 182 | { |
| 183 | parentEkit.repaint(); |
| 184 | return; |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | } |
| 189 | |
| 190 | if(htmlAttribs2.size() > 0) |
| 191 | { |
| 192 | Enumeration attribEntries = htmlAttribs2.keys(); |
| 193 | while(attribEntries.hasMoreElements()) |
| 194 | { |
| 195 | Object entryKey = attribEntries.nextElement(); |
| 196 | Object entryValue = htmlAttribs2.get(entryKey); |
| 197 | sasAttr.addAttribute(entryKey, entryValue); |
| 198 | } |
| 199 | sasTag.addAttribute(htmlTag, sasAttr); |
| 200 | parentTextPane.setCharacterAttributes(sasTag, false); |
| 201 | parentEkit.refreshOnUpdate(); |
| 202 | } |
| 203 | parentTextPane.select(caretOffset, caretOffset + internalTextLength); |
| 204 | parentTextPane.requestFocus(); |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | |